Title:
Covering for roofs and walls
United States Patent 3142937
Inventors:
Emil, Ess
Publication Date:
08/04/1964
Export Citation:
Assignee:
Emil, Ess
Primary Class:
Other Classes:
52/539, D25/119
International Classes:
E04D3/362; E04F13/08; E04D3/36; E04F13/08
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